Identify the likely cause before treating your well water.
Odor, iron stains, black marks, cloudiness — each has several possible causes. A few questions organize the clues and point to a responsible next step.
Describe the symptom
Hot-only or whole-home? Powdery or slimy? These details change the likely path.
Get an honest read
Sometimes it's the water heater, not the well. Sometimes it needs a bacteria test, not an iron filter.
Test, fix or call a specialist
We route you to testing, guidance or one named well professional — whichever the evidence supports.
What you should know first
A symptom is a clue, not a test
Color and smell suggest possibilities. Only a qualifying laboratory test confirms what's in well water.
Hot-only odor often starts at the heater
A rotten-egg smell in hot water only frequently involves the anode rod — a service question, not a treatment purchase.
Wells change over time
Geology, weather and equipment shift well water. Annual testing is the baseline even when nothing seems wrong.